81171438

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{201919}}^1$

素因数の和:201991

約数の個数: 16

約数和(自身を含む): 164766720

約数和(自身を除く): 83595282

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 201919, 403838, 605757, 1211514, 13528573, 27057146, 40585719, 81171438]

約数ペア:

[(1, 81171438), (2, 40585719), (3, 27057146), (6, 13528573), (67, 1211514), (134, 605757), (201, 403838), (402, 201919)]